html, body, #root, .public {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  list-style: none;
  text-decoration: none;
}

.header, .footer {
  width: 100%;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.body {
  flex: 1;
  overflow-y: auto;
}

.header {
  border-bottom: 1px solid #ccc;
}

.footer {
  border-top: 1px solid #ccc;
}